Issue with starting
Thread Starter
Melting Slicks
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
Issue with starting
This is weird to me as I never experience it before. When the key is turn to start,nothing happens,but when you release it to on, then the starter kicks in for just a second. Enough to turn the engine over just a bit.
Drifting
Joined: Feb 2007
Posts: 1,793
Likes: 7
From: Santa Maria Ca.
Sounds like the ignition switch might need some TLC:
(thanx go to Bill Curlee)
http://forums.corvetteforum.com/c5-t...ch-repair.html
(thanx go to Bill Curlee)
http://forums.corvetteforum.com/c5-t...ch-repair.html
Thread Starter
Melting Slicks
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
Took switch out and ohm checked as per Bills instruction and it checked out. Cleaned regardless and no different in ohm reading, all close to 0 Ohms. Reinstalled and still same issues.
Thread Starter
Melting Slicks
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
I jump the starter selenoid and car started up. Check for voltage at purple cable.S post at selenoid and it kind of funky reading 6.65 volt regarless what position key is in.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Well,,, If you have voltage there when you not cranking,,, either the TDR relay is bad OR something is really wrong with the solenoid. Remove the TDR and see what you read on Purple.
Thread Starter
Melting Slicks
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
Bill, there is no voltage on that wire. must have be touching the batt wire.
fuse 52 ( starter fuse is good) tomorrow I'll check for voltage there.
fuse 52 ( starter fuse is good) tomorrow I'll check for voltage there.
Last edited by Dale002; May 29, 2011 at 10:25 PM.
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Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
If you only saw 6 volts on that wire,, for what ever reason,, you have a bad battery, bad connection or something wrong with the battery cables.. Thats next to check out!! you should have seen battery voltage.
Thread Starter
Melting Slicks
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
Battery is good I must been tired of looking at the meter,cause I checked it when I the fuse and i have battery power, there. 12.8 volts. I'm thinking maybe i did not have the meter set at the right setting.Tomorrow I 'll check for voltage on the starter fuse and keep goin back. If I have power,I'll check for bad wire from fuse to starter. Am I going in the right direction?
Last edited by Dale002; May 29, 2011 at 11:01 PM.
Thread Starter
Melting Slicks
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
Hey Bill took me a few days,but finally got around to checking for voltage at stater fuse 62. I have battery voltage there in and out. Now I would have to check the tdr or do you suggest something different. I'm giving this car to my nephew to play with and i sure would like it to be at a point where he could start it with a key.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Well,,,, if you have ZERO VOLTS on the PURPLE WIRE when your are completing ALL the necessary steps to crank the engine,,,, the TDR is bad or the wires to or from the TDR are bad.
BC
BC
Thread Starter
Melting Slicks
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
Sorry for being gone so long. I gave this car to my nepwe and I've let him troubleshoot it. He found the relay. The center one with the purple,red and blk/yellow wire.
Is this correct Bill?
Is this correct Bill?
Thread Starter
Melting Slicks
Joined: Jul 2010
Posts: 3,479
Likes: 92
From: Between Tally and Gatorville ,Florida
There is battery voltage to the red wire but not to the purple with key on or start. If I jump purple to red with key on , then the engine cranks over. If I hold the key switch to start and then jump the red and purple then engine starts. Battery low so I'm recharging it, then I'm going to ground the yellow/blk wire and try to start. I would think the yellow wire come from the PNP and grounds the relay to close.
Last edited by Dale002; Jun 4, 2011 at 01:36 PM.
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
With the KEY in the ON position,,,, if you jump the RED and PURPLE, the engine should crank and RUN! (Make sure it out of gear!!!)
With the key in start and the clutch presed all the way down, if you ground the yellow black wire, it chould crank.
BC
With the key in start and the clutch presed all the way down, if you ground the yellow black wire, it chould crank.
BC
Tech Contributor
Joined: Jan 2007
Posts: 19,458
Likes: 1,165
From: Dyer, IN
Bill has provided the schematic in this thread....no guess work here. The yellow wire provides 12 volts from the ignition switch, through the crank fuse, through the clutch switch....to the relay. The yellow/black wire, is a ground provided by the BCM.